Breathalysers Alcohol Breathalyzer Tester Kit High Accuracy Breathalyser with Digital LCD Screen - Breath Portable LED Flashlight 2 Mode Professional for Personal

Professional Performance : Equipped with a new generation high precision sensor , this alcohol tester offers a 3 second response time . Advanced chip algorithms filter out interfering substances , ensuring accurate results for driving safety Widely Uses : Supports two modes : Precision for individual testing , Quick for group screening . Whether it is testing overnight alcohol , after a family dinner , or in business entertainment occasions , it can provide reliable alcohol concentration data Intelligent Testing Process : Insert 3 AAA batteries (not included) ; Long press Power for 2s to turn on ; Attach the mouthpiece ; Press Power to enter test mode , wait for 10s preheat ; Blow continuously for 3s when "BLOW" appears and a " beep , beep " prompt ; Device analyzes data ; Results display with audible alerts Easy to Carry : Lightweight and smaller than a smartphone , its sleek design fits easily in pockets or bags . Ideal for business banquets , weddings , and social events , test anytime for safe driving Detachable Mouthpiece : The detachable mouthpiece storage system can safely store the mouthpiece in the battery compartment for clean and avoid loss . Built in emergency LED flashlight provides lighting in low light environments for multifunctional convenience